diff --git a/docs/en/platform/turtlebot3/autonomous_driving/autonomous_driving.md b/docs/en/platform/turtlebot3/autonomous_driving/autonomous_driving.md
index aa9a225fe..bfb20e662 100644
--- a/docs/en/platform/turtlebot3/autonomous_driving/autonomous_driving.md
+++ b/docs/en/platform/turtlebot3/autonomous_driving/autonomous_driving.md
@@ -24,35 +24,35 @@ page_number: 19
 
 # [Autonomous Driving](#autonomous-driving)
 
-<!-- <section data-id="{{ page.tab_title2 }}" class="tab_contents">
+<section data-id="{{ page.tab_title2 }}" class="tab_contents">
 **NOTE**: TurtleBot3 Autorace is only officially supported in ROS Kinetic and Noetic
 {: .notice--warning}
-</section> -->
+</section>
 
-<!-- <section data-id="{{ page.tab_title4 }}" class="tab_contents">
+<section data-id="{{ page.tab_title4 }}" class="tab_contents">
 **NOTE**: TurtleBot3 Autorace is only officially supported in ROS Kinetic and Noetic
 {: .notice--warning}
-</section> -->
+</section>
 
-<!-- <section data-id="{{ page.tab_title5 }}" class="tab_contents">
+<section data-id="{{ page.tab_title5 }}" class="tab_contents">
 **NOTE**: TurtleBot3 Autorace is only officially supported in ROS Kinetic and Noetic
 {: .notice--warning}
-</section> -->
+</section>
 
 <section data-id="{{ page.tab_title6 }}" class="tab_contents">
 **NOTE**: TurtleBot3 Autorace is only officially supported in ROS Kinetic and Noetic
 {: .notice--warning}
 </section>
 
-<!-- <section data-id="{{ page.tab_title7 }}" class="tab_contents">
+<section data-id="{{ page.tab_title7 }}" class="tab_contents">
 **NOTE**: TurtleBot3 Autorace is only officially supported in ROS Kinetic and Noetic
 {: .notice--warning}
-</section> -->
+</section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ## Getting Started
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_getting_started_kinetic.md %}
-</section> -->
+</section>
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ## Getting Started
@@ -62,10 +62,10 @@ page_number: 19
 
 <!-- Camera Calli -->
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ## [Camera Calibration](#camera-calibration)
 Calibrating the camera is very important for autonomous driving. The following describes how to simply calibrate the camera step by step.
-</section> -->
+</section>
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ## [Camera Calibration](#camera-calibration)
@@ -73,20 +73,20 @@ Calibrating the camera is very important for autonomous driving. The following d
 </section>
 
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ### [Camera Imaging Calibration](#camera-imaging-calibration)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_camera_imaging_calibration_kinetic.md %}
-</section> -->
+</section>
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ### [Camera Imaging Calibration](#camera-imaging-calibration)
 {% include en/platform/turtlebot3/autonomous_driving/noetic/autonomous_driving_sim_camera_imaging_calibration_noetic.md %}
 </section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ### [Intrinsic Camera Calibration](#intrinsic-camera-calibration)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_intrinsic_camera_calibration_kinetic.md %}
-</section> -->
+</section>
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ### [Intrinsic Camera Calibration](#intrinsic-camera-calibration)
@@ -94,47 +94,47 @@ Calibrating the camera is very important for autonomous driving. The following d
 </section>
 
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ### [Extrinsic Camera Calibration](#extrinsic-camera-calibration)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_extrinsic_camera_calibration_kinetic.md  %}
-</section> -->
+</section>
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ### [Extrinsic Camera Calibration](#extrinsic-camera-calibration)
 {% include en/platform/turtlebot3/autonomous_driving/noetic/autonomous_driving_sim_extrinsic_camera_calibration_noetic.md %}
 </section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ### [Check Calibration Result](#check-calibration-result)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_check_calibration_result_kinetic.md %}
-</section> -->
+</section>
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ### [Check Calibration Result](#check-calibration-result)
 {% include en/platform/turtlebot3/autonomous_driving/noetic/autonomous_driving_sim_check_calibration_result_noetic.md %}
 </section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ## [Lane Detection](#lane-detection)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_lane_detection_kinetic.md  %}
-</section> -->
+</section>
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ## [Lane Detection](#lane-detection)
 {% include en/platform/turtlebot3/autonomous_driving/noetic/autonomous_driving_sim_lane_detection_noetic.md %}
 </section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ## [Traffic Sign Detection](#traffic-sign-detection)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_traffic_sign_detection_kinetic.md %}
-</section> -->
+</section> 
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ## [Traffic Sign Detection](#traffic-sign-detection)
 {% include en/platform/turtlebot3/autonomous_driving/noetic/autonomous_driving_sim_traffic_sign_detection_noetic.md %}
 </section> 
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ## [Missions](#missions)
 
 The AutoRace is a competition for autonomous driving robot platforms.  
@@ -143,7 +143,7 @@ To provide various conditions for a robot application development, the game prov
 **WARNING**: Be sure to read [Autonomous Driving](#autonomous-driving) in order to start missions.
 {: .notice--warning}
 
-</section> -->
+</section>
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ## [Missions](#missions)
@@ -155,60 +155,60 @@ To provide various conditions for a robot application development, the game prov
 {: .notice--warning}
 </section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ### [Traffic Lights](#traffic-lights)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_traffic_lights_kinetic.md  %} 
-</section> -->
+</section>
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ### [Traffic Lights](#traffic-lights)
 {% include en/platform/turtlebot3/autonomous_driving/noetic/autonomous_driving_sim_traffic_lights_noetic.md %}
 </section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ### [Intersection](#intersection)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_intersection_kinetic.md  %}
-</section> -->
+</section> 
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ### [Intersection](#intersection)
 {% include en/platform/turtlebot3/autonomous_driving/noetic/autonomous_driving_sim_intersection_noetic.md %}
 </section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ### [Construction](#construction)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_construction_kinetic.md  %}
-</section> -->
+</section> 
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ### [Construction](#construction)
 {% include en/platform/turtlebot3/autonomous_driving/noetic/autonomous_driving_sim_construction_noetic.md %}
 </section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ### [Parking](#parking)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_parking_kinetic.md  %}
-</section> -->
+</section> 
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ### [Parking](#parking)
 {% include en/platform/turtlebot3/autonomous_driving/noetic/autonomous_driving_sim_parking_noetic.md %}
 </section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ### [Level Crossing](#level-crossing)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_level_crossing_kinetic.md  %}
-</section> -->
+</section> 
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ### [Level Crossing](#level-crossing)
 {% include en/platform/turtlebot3/autonomous_driving/noetic/autonomous_driving_sim_level_crossing_noetic.md %}
 </section>
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 ### [Tunnel](#tunnel)
 {% include en/platform/turtlebot3/autonomous_driving/kinetic/autonomous_driving_tunnel_kinetic.md  %}
-</section> -->
+</section> 
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 ### [Tunnel](#tunnel)
diff --git a/docs/en/platform/turtlebot3/machine_learning.md b/docs/en/platform/turtlebot3/machine_learning.md
index cf2be376d..7d3c220dd 100644
--- a/docs/en/platform/turtlebot3/machine_learning.md
+++ b/docs/en/platform/turtlebot3/machine_learning.md
@@ -22,59 +22,59 @@ page_number: 21
 
 # [Machine Learning](#machine-learning)
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 {% include en/platform/turtlebot3/machine_learning/machine_learning_intro_kinetic.md %}
-</section> -->
+</section>
 
-<!-- <section data-id="{{ page.tab_title2 }}" class="tab_contents">
+<section data-id="{{ page.tab_title2 }}" class="tab_contents">
 {% include en/platform/turtlebot3/machine_learning/machine_learning_intro_melodic.md %}
-</section> -->
+</section> 
 
 <section data-id="{{ page.tab_title3 }}" class="tab_contents">
 **NOTE**: This section is supported in ROS Kinetic and Melodic, and ROS2 Dashing. 
 {: .notice}
 </section> 
 
-<!-- <section data-id="{{ page.tab_title4 }}" class="tab_contents">
+<section data-id="{{ page.tab_title4 }}" class="tab_contents">
 {% include en/platform/turtlebot3/machine_learning/machine_learning_intro_dashing.md %}
-</section> -->
+</section>
 
-<!-- <section data-id="{{ page.tab_title5 }}" class="tab_contents">
+<section data-id="{{ page.tab_title5 }}" class="tab_contents">
 **NOTE**: This section is supported in ROS Kinetic and Melodic, and ROS2 Dashing. 
 {: .notice}
-</section>  -->
+</section> 
 
 <section data-id="{{ page.tab_title6 }}" class="tab_contents">
 **NOTE**: This section is supported in ROS Kinetic and Melodic, and ROS2 Dashing. 
 {: .notice}
 </section>
 
-<!-- <section data-id="{{ page.tab_title7 }}" class="tab_contents">
+<section data-id="{{ page.tab_title7 }}" class="tab_contents">
 **NOTE**: This section is supported in ROS Kinetic and Melodic, and ROS2 Dashing. 
 {: .notice}
-</section> -->
+</section>
 
 
 ## [Software Setup](#software-setup)
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 
 {% include en/platform/turtlebot3/machine_learning/machine_learning_software_setup_kinetic.md %}
 
-</section> -->
+</section>
 
-<!-- <section data-id="{{ page.tab_title2 }}" class="tab_contents">
+<section data-id="{{ page.tab_title2 }}" class="tab_contents">
 
 {% include en/platform/turtlebot3/machine_learning/machine_learning_software_setup_melodic.md %}
 
-</section> -->
+</section> 
 
 
-<!-- <section data-id="{{ page.tab_title4 }}" class="tab_contents">
+<section data-id="{{ page.tab_title4 }}" class="tab_contents">
 
 {% include en/platform/turtlebot3/machine_learning/machine_learning_software_setup_dashing.md %}
 
-</section> -->
+</section>
 
 <!-- <section data-id="{{ page.tab_title4 }}" class="tab_contents">
 
@@ -93,25 +93,25 @@ page_number: 21
 
 ## [Set parameters](#set-parameters)
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 
 {% include en/platform/turtlebot3/machine_learning/machine_learning_set_parameter_kinetic.md %}
 
-</section> -->
+</section>
 
 
-<!-- <section data-id="{{ page.tab_title2 }}" class="tab_contents">
+<section data-id="{{ page.tab_title2 }}" class="tab_contents">
 
 {% include en/platform/turtlebot3/machine_learning/machine_learning_set_parameter_melodic.md %}
 
-</section> -->
+</section> 
 
 
-<!-- <section data-id="{{ page.tab_title4 }}" class="tab_contents">
+<section data-id="{{ page.tab_title4 }}" class="tab_contents">
 
 {% include en/platform/turtlebot3/machine_learning/machine_learning_set_parameter_dashing.md %}
 
-</section> -->
+</section>
 
 <!-- <section data-id="{{ page.tab_title4 }}" class="tab_contents">
 
@@ -129,26 +129,26 @@ page_number: 21
 
 ## [Run Machine Learning](#run-machine-learning)
 
-<!-- <section data-id="{{ page.tab_title1 }}" class="tab_contents">
+<section data-id="{{ page.tab_title1 }}" class="tab_contents">
 
 
 {% include en/platform/turtlebot3/machine_learning/machine_learning_run_machine_learning_kinetic.md %}
 
-</section> -->
+</section>
 
 
-<!-- <section data-id="{{ page.tab_title2 }}" class="tab_contents">
+<section data-id="{{ page.tab_title2 }}" class="tab_contents">
 
 {% include en/platform/turtlebot3/machine_learning/machine_learning_run_machine_learning_melodic.md %}
 
-</section> -->
+</section> 
 
 
-<!-- <section data-id="{{ page.tab_title4 }}" class="tab_contents">
+<section data-id="{{ page.tab_title4 }}" class="tab_contents">
 
 {% include en/platform/turtlebot3/machine_learning/machine_learning_run_machine_learning_dashing.md %}
 
-</section> -->
+</section>
 
 
 <!-- <section data-id="{{ page.tab_title4 }}" class="tab_contents">